CVE-2026-21965: Low severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21965?
CVE-2026-21965 is considered an easily exploitable vulnerability with high severity due to the potential for high privileged attackers to compromise the MySQL Server.
How do I fix CVE-2026-21965?
To fix CVE-2026-21965, upgrade your MySQL Server to a version above 9.5.0.
Who is affected by CVE-2026-21965?
CVE-2026-21965 affects all users running Oracle MySQL Server versions 9.0.0 to 9.5.0.
What component of MySQL Server is impacted by CVE-2026-21965?
CVE-2026-21965 impacts the Pluggable Authentication component of the MySQL Server.
What are the potential consequences of exploiting CVE-2026-21965?
Exploiting CVE-2026-21965 can lead to unauthorized access and full compromise of MySQL Server databases.